When it comes to tail wagging among dogs, some questions still hound researchers.
We know that domesticated dogs (Canis familiaris) use their tails to communicate — with other dogs as well as humans — and even what various types of wags mean, researchers note in a new review of the scientific literature. But we don’t know why dogs seem to wag more than other canines or even how much of it is under their control, ethologist Silvia Leonetti and colleagues report January 17 in Biology Letters.
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